News bites: US carbon emissions lowest since 1994, renewable capacity doubles

Rep. Stephen Lynch (D-Mass.) formally announced his candidacy to replace soon-to-be Secretary of State Sen. John KerryJohn KerryIn the fight between Rick Perry and climate scientists — He’s winning Obama cyber czar: Trump State Department needs cybersecurity office Kerry on Trump’s military transgender ban: ‘We’re better than this’ MORE (D-Mass.), Reuters reports. Lynch will face Rep. Edward MarkeyEd MarkeyOPINION | Shailene Woodley: US should run on renewable energy by 2050 Dems urge 'transparent and inclusive' nuke policy review Senate confirms former Boeing VP as deputy Defense secretary MORE (D-Mass.), a favorite of green groups, in the Democratic primary.

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An explosion at the Mexico City headquarters of Mexico’s state-owned oil company killed at least 25 people and injured 100 others, The Associated Press reports. Mexican officials said they were unsure of what sparked the blast.

The European Union is considering banning insecticides linked to a fall in the bee population, according to The Guardian.